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Finding the Fourth Proportional to 182.22, 272.79 and 135.84

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Solution

The fourth proportional to 182.22, 272.79 and 135.84 is: 203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.22 : 272.79 = 135.84 : x
  2. Step 2: Convert to fraction form
    182.22/272.79 = 135.84/x
  3. Step 3: Cross multiply
    182.22x = 272.79 × 135.84
  4. Step 4: Simplify right side
    182.22x = 37,055.79
  5. Step 5: Solve for x
    x = 37,055.79/182.22
  6. Step 6: Final answer
    x = 203.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.